Public/Get-OSDTaskSequence.ps1
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using namespace System; using namespace System.Collections.Generic; using namespace System.IO; using namespace System.Xml; <# .SYNOPSIS Retrieves one or more task sequences from the MDT configuration. .DESCRIPTION When provided with a task sequence ID, retrieve that sequence from the MDT configuration. When given a group, list the sequences in that group. .EXAMPLE PS C:\> Get-OSDTaskSequence List all task sequences. .EXAMPLE PS C:\> Get-OSDTaskSequence SERVER2016 Get the task sequence with the ID "SERVER2016." .EXAMPLE PS C:\> Get-OSDTaskSequence -Group Install Gets the task sequences that are direct children of the group "Install." #> function Get-OSDTaskSequence { [CmdletBinding(DefaultParameterSetName='All')] [OutputType('OSDTaskSequence')] PARAM ( [Parameter(ParameterSetName='ByID',Position=1,Mandatory=$true,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true)] # One or more Task Sequence IDs. [TaskSequenceBinding[]]$ID, [Parameter(ParameterSetName='ByGroup',Mandatory=$true,ValueFromPipelineByPropertyName=$true)] # The MDT path to a task sequence group. [string[]]$Group ) begin { Assert-OSDConnected [XMLElement[]]$TaskSequences = ([xml][File]::ReadAllText("$Script:OSDScriptsMDTRoot\Control\TaskSequences.xml")).tss.ts [xml]$TaskSequenceGroups = [xml][File]::ReadAllText("$Script:OSDScriptsMDTRoot\Control\TaskSequenceGroups.xml") } process { if($PSCmdlet.ParameterSetName -eq 'ByID') { Resolve-TaskSequenceBinding -Bindings $ID | Write-Output } else { [XMLElement[]]$TaskSequences = ([xml][File]::ReadAllText("$Script:OSDScriptsMDTRoot\Control\TaskSequences.xml")).tss.ts [xml]$TaskSequenceGroups = [xml][File]::ReadAllText("$Script:OSDScriptsMDTRoot\Control\TaskSequenceGroups.xml") if($PSCmdlet.ParameterSetName -eq 'ByGroup') { [HashSet[string]]$GroupMembers = [HashSet[string]]::new([StringComparer]::OrdinalIgnoreCase) foreach($Item in ($TaskSequenceGroups.groups.group | Where-Object { $_.Name -iin $Group })) { foreach($Member in $Item.Member) { $GroupMembers.Add($Member) } } $TaskSequences | Where-Object { $GroupMembers.Contains($_.guid) } | ForEach-Object { [OSDTaskSequence]::new($_, $TaskSequences, $TaskSequenceGroups) } } else { $TaskSequences | ForEach-Object { [OSDTaskSequence]::new($_, $TaskSequences, $TaskSequenceGroups) } } } } } |